... into two types: the preset type (NB) and the fixed-value type (NBD). ZhunDa NB-2000A series of mechanical torque wrench ... .m to 2000N.m; 2. the head of the NB-2000A Series of Torque Wrench can be changed into open ... 46,50,55,60,65,70,75 Note: NB,NBD series and NB series of inch torque wrench can meet the customer ... ’s need to adjust to the ±3% accuracy class. NB-2000A series of mechanical torque wrench
